| Value | Category | Cases | |
|---|---|---|---|
| 1 | At least once a week | 1391 |
31.1%
|
| 2 | At least once a month but not every week | 2061 |
46.1%
|
| 3 | Less than once a month | 1015 |
22.7%
|
| Sysmiss | 8314 |